大约有 20,000 项符合查询结果（耗时：0.0278秒） [XML]
List files ONLY in the current directory
...
import os
destdir = '/var/tmp/testdir'
files = [ f for f in os.listdir(destdir) if os.path.isfile(os.path.join(destdir,f)) ]
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What’s the best way to reload / refresh an iframe?
...mentById('iframeid').src
It will reload the iframe, even across domains!
Tested with IE7/8, Firefox and Chrome.
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How do I do multiple CASE WHEN conditions using SQL Server 2008?
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This can be an efficient way of performing different tests on a single statement
select
case colour_txt
when 'red' then 5
when 'green' then 4
when 'orange' then 3
else 0
end as Pass_Flag
this only works on equality comparisons!
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Restarting cron after changing crontab file?
... restart either cron or the system, and don't play around with wasted time testing, which you'll have to do despite this highly-upvoted answer.
– Dan Nissenbaum
Oct 14 '15 at 22:53
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How to set conditional breakpoints in Visual Studio?
...irst time.
Use the Immediate Window (Debug > Windows > Immediate) to test your expression.
Right-click the breakpoint, click Condition and paste in your
expression.
Advantages of using the Immediate window:
It has IntelliSense.
You can be sure that the variables in the expression are in sc...
How do I see the extensions loaded by PHP?
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If you want to test if a particular extension is loaded you can also use the extension_loaded function, see documentation here
php -r "var_dump(extension_loaded('json'));"
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C# Linq Group By on multiple columns [duplicate]
...chool = y.Key.School,
Children = y.ToList()
}
);
Test code:
foreach(var item in newList)
{
Console.WriteLine("School: {0} FavouriteColor: {1} Friend: {2}", item.School,item.FavoriteColor,item.Friend);
foreach(var child in item.Children)
{
Console.WriteL...
How can I get current date in Android?
...ck this link where you get an idea for your example.
For example:
String dateStr = "04/05/2010";
SimpleDateFormat curFormater = new SimpleDateFormat("dd/MM/yyyy");
Date dateObj = curFormater.parse(dateStr);
SimpleDateFormat postFormater = new SimpleDateFormat("MMMM dd, yyyy");
String newDate...
“Cannot start compilation: the output path is not specified for module…”
...tOutputDirs = false
outputDir = compileJava.destinationDir
testOutputDir = compileTestJava.destinationDir
}
}
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convert a char* to std::string
...e the function string.c_str() to go the other way:
std::string my_string("testing!");
const char* dat = my_string.c_str();
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